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Re: [Xen-devel] Xen-unstable: pci-passthrough of device using MSI-X interrupts not working after commit x86/MSI: track host and guest masking separately
>>> On 26.06.15 at 17:20, <linux@xxxxxxxxxxxxxx> wrote:
> On 2015-06-26 17:04, Jan Beulich wrote:
>> I think this explains it - you're running in PVHVM mode, which I
>> never tried with those patches. I'd even have to go dig to see how
>> they drive MSI-X in the first place in that case. Nor do I immediately
>> know whether there's an option to make a guest become a normal
>> HVM one again.
>
> Hmm i had to read up on the difference ..
> http://wiki.xen.org/wiki/Virtualization_Spectrum#Paravirtualizing_little_by_
> little:_PVHVM_mode
>
> But doesn't it almost always do that on linux guests (since most kernels
> will have need Xen stuff enabled) ?
No on ours, which (still) aren't pv-ops based.
Jan
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